MESON Chess Problem Database
Problem Display
PID: 242952 (8/1p2B1b1/pK1p2B1/2Pp2P1/3kP3/NR1P1R2/4n2Q/1b6 w - - 0 1)
Geary, William
English Mechanic and World of Science, 1881
(First published on Fri Sep 16 1881)
#2
11 + 8
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 1...Bxd3
- 2.Rbxd3#
- 2.Rfxd3#
- 1...Be5
- 2.Qf2#
- 1...Bf6
- 2.Bxf6#
- 1...Bh6
- 2.Bf6#
- 1...Bf8
- 2.Bf6#
- 1...Bh8
- 2.Qxh8#
- 1...Sc1
- 2.Qb2#
- 1...Sg1
- 2.Qb2#
- 1...Sc3
- 2.Rb4#
- 1...Sg3
- 2.Qb2#
- 1...Sf4
- 2.Qb2#
- 1...dxe4
- 2.Qxd6#
- 1...a5
- 2.Sb5#
- 1...dxc5
- 2.Bxc5#
- 1...Ba2
- Tries
- 1.Sxb1?
- threat
- 2.Rb4#
- 1...dxe4
- 2.Qxd6#
- 1...dxc5
- 2.Bxc5#
- 1...Sg3
- 2.Qb2#
- 1...Sf4
- 2.Qb2#
- 1...a5!
- threat
- 1.Sc4?
- threat
- 2.Qf2#
- 1...dxc4
- 2.Qxd6#
- 1...dxe4
- 2.Qxd6#
- 1...Bxd3!
- threat
- 1.Bf7?
- 1...dxe4
- 2.Qxd6#
- 1...dxc5
- 2.Bxc5#
- 1...Sg3
- 2.Qb2#
- 1...Sf4
- 2.Qb2#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 1...Be5
- 2.Qf2#
- 1...Bf6
- 2.Bxf6#
- 1...Bh6
- 2.Bf6#
- 1...Bf8
- 2.Bf6#
- 1...Bh8
- 2.Qxh8#
- 1...Sc1
- 2.Qb2#
- 1...Sg1
- 2.Qb2#
- 1...Sc3
- 2.Rb4#
- 1...a5
- 2.Sb5#
- 1...Bxd3!
- 1...dxe4
- 1.Bh7?
- 1...Bxd3
- 2.Rbxd3#
- 2.Rfxd3#
- 1...dxe4
- 2.Qxd6#
- 1...dxc5
- 2.Bxc5#
- 1...Sg3
- 2.Qb2#
- 1...Sf4
- 2.Qb2#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 1...Be5
- 2.Qf2#
- 1...Bf6
- 2.Bxf6#
- 1...Bh6
- 2.Bf6#
- 1...Bf8
- 2.Bf6#
- 1...Sc1
- 2.Qb2#
- 1...Sg1
- 2.Qb2#
- 1...Sc3
- 2.Rb4#
- 1...a5
- 2.Sb5#
- 1...Bh8!
- 1...Bxd3
- 1.Be8?
- 1...dxe4
- 2.Qxd6#
- 1...dxc5
- 2.Bxc5#
- 1...Sg3
- 2.Qb2#
- 1...Sf4
- 2.Qb2#
- 1...Bh8
- 2.Qxh8#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 1...Be5
- 2.Qf2#
- 1...Bf6
- 2.Bxf6#
- 1...Bh6
- 2.Bf6#
- 1...Bf8
- 2.Bf6#
- 1...Sc1
- 2.Qb2#
- 1...Sg1
- 2.Qb2#
- 1...Sc3
- 2.Rb4#
- 1...a5
- 2.Sb5#
- 1...Bxd3!
- 1...dxe4
- 1.Bd8?
- 1...Bxd3
- 2.Rbxd3#
- 2.Rfxd3#
- 1...dxe4
- 2.Qxd6#
- 1...Sg3
- 2.Qb2#
- 1...Sf4
- 2.Qb2#
- 1...Bh8
- 2.Qxh8#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 1...Be5
- 2.Qf2#
- 1...Bf6
- 2.Bxf6#
- 1...Bh6
- 2.Bf6#
- 1...Bf8
- 2.Bf6#
- 1...Sc1
- 2.Qb2#
- 1...Sg1
- 2.Qb2#
- 1...Sc3
- 2.Rb4#
- 1...a5
- 2.Sb5#
- 1...dxc5!
- 1...Bxd3
- 1.Qxd6?
- threat
- 2.Qxd5#
- 1...Sc3
- 2.Rb4#
- 1...Sf4!
- threat
- 1.cxd6?
- 1...Bxd3
- 2.Rbxd3#
- 2.Rfxd3#
- 1...Sg3
- 2.Qb2#
- 1...Sf4
- 2.Qb2#
- 1...Bh8
- 2.Qxh8#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 1...Be5
- 2.Qf2#
- 1...Bf6
- 2.Bxf6#
- 1...Bh6
- 2.Bf6#
- 1...Bf8
- 2.Bf6#
- 1...Sc1
- 2.Qb2#
- 1...Sg1
- 2.Qb2#
- 1...Sc3
- 2.Rb4#
- 1...a5
- 2.Sb5#
- 1...dxe4!
- 1...Bxd3
- 1.c6?
- 1...Bxd3
- 2.Rbxd3#
- 2.Rfxd3#
- 1...dxe4
- 2.Qxd6#
- 1...Sg3
- 2.Qb2#
- 1...Sf4
- 2.Qb2#
- 1...Bh8
- 2.Qxh8#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 1...Be5
- 2.Qf2#
- 1...Bf6
- 2.Bxf6#
- 1...Bh6
- 2.Bf6#
- 1...Bf8
- 2.Bf6#
- 1...Sc1
- 2.Qb2#
- 1...Sg1
- 2.Qb2#
- 1...Sc3
- 2.Rb4#
- 1...a5
- 2.Sb5#
- 1...bxc6!
- 1...Bxd3
- 1.Sxb1?
- Keys
- 1.Bf5!
- 1...Bxd3
- 2.Rbxd3#
- 2.Rfxd3#
- 1...dxe4
- 2.Qxd6#
- 1...dxc5
- 2.Bxc5#
- 1...Sg3
- 2.Qb2#
- 1...Sf4
- 2.Qb2#
- 1...Ba2
- 2.Sc2#
- 1...Bc2
- 2.Sxc2#
- 1...Be5
- 2.Qf2#
- 1...Bf6
- 2.Bxf6#
- 1...Bh6
- 2.Bf6#
- 1...Bf8
- 2.Bf6#
- 1...Bh8
- 2.Qxh8#
- 1...Sc1
- 2.Qb2#
- 1...Sg1
- 2.Qb2#
- 1...Sc3
- 2.Rb4#
- 1...a5
- 2.Sb5#
- 1...Bxd3
- 1.Bf5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::S(B)
- B(a);N_GUARD::S(B),XB(a)
- B(h);SBLOCK::QAB(A)
- B(h);N_GUARD::B(K),XB(h)
- B(h);N_GUARD::B(K)
- B(h);OGATEB::QAB(A),XB(h)
- S(b);OGATE::QAB(A)
- S(b);SBLOCK::R(C)
- P(d);OGATEB,XP(F)::QAR2(A),XP(f)
- P(e);N_GUARD::S(B)
- P(f);OGATE,XP(G)::B(K),XP(f)
- Tries
- Try
- S(B);XB(a)
- Threat
- R(C)
- Vars
- P(d);OGATEB,XP(F)::QAR2(A),XP(f)
- P(f);OGATE,XP(G)::B(K),XP(f)
- S(b);OGATE::QAB(A)
- Refutation
- P(e);
- Try
- S(B);
- Threat
- QAB(A)
- Vars
- P(d);OGATEB,XS(B)::QAR2(A),XP(f)
- P(d);OGATEB,XP(F)::QAR2(A),XP(f)
- Refutation
- B(a);XP(D)
- Try
- B(J);
- Vars
- P(d);OGATEB,XP(F)::QAR2(A),XP(f)
- P(f);OGATE,XP(G)::B(K),XP(f)
- S(b);OGATE::QAB(A)
- B(a);N_GUARD::S(B)
- B(a);N_GUARD::S(B),XB(a)
- B(h);SBLOCK::QAB(A)
- B(h);N_GUARD::B(K),XB(h)
- B(h);N_GUARD::B(K)
- B(h);OGATEB::QAB(A),XB(h)
- S(b);SBLOCK::R(C)
- P(e);N_GUARD::S(B)
- Refutation
- B(a);XP(D)
- Try
- B(J);
- Vars
- P(d);OGATEB,XP(F)::QAR2(A),XP(f)
- P(f);OGATE,XP(G)::B(K),XP(f)
- S(b);OGATE::QAB(A)
- B(a);N_GUARD::S(B)
- B(a);N_GUARD::S(B),XB(a)
- B(h);SBLOCK::QAB(A)
- B(h);N_GUARD::B(K),XB(h)
- B(h);N_GUARD::B(K)
- S(b);SBLOCK::R(C)
- P(e);N_GUARD::S(B)
- Refutation
- B(h);
- Try
- B(J);
- Vars
- P(d);OGATEB,XP(F)::QAR2(A),XP(f)
- P(f);OGATE,XP(G)::B(K),XP(f)
- S(b);OGATE::QAB(A)
- B(h);OGATEB::QAB(A),XB(h)
- B(a);N_GUARD::S(B)
- B(a);N_GUARD::S(B),XB(a)
- B(h);SBLOCK::QAB(A)
- B(h);N_GUARD::B(K),XB(h)
- B(h);N_GUARD::B(K)
- S(b);SBLOCK::R(C)
- P(e);N_GUARD::S(B)
- Refutation
- B(a);XP(D)
- Try
- B(K);
- Vars
- P(d);OGATEB,XP(F)::QAR2(A),XP(f)
- S(b);OGATE::QAB(A)
- B(h);OGATEB::QAB(A),XB(h)
- B(a);N_GUARD::S(B)
- B(a);N_GUARD::S(B),XB(a)
- B(h);SBLOCK::QAB(A)
- B(h);N_GUARD::B(K),XB(h)
- B(h);N_GUARD::B(K)
- S(b);SBLOCK::R(C)
- P(e);N_GUARD::S(B)
- Refutation
- P(f);XP(G)
- Try
- Q(A);P_PINP(d),XP(f)
- Threat
- QAR1(A),XP(d)
- Vars
- S(b);SBLOCK::R(C)
- Refutation
- S(b);
- Try
- P(G);XP(f)
- Vars
- S(b);OGATE::QAB(A)
- B(h);OGATEB::QAB(A),XB(h)
- B(a);N_GUARD::S(B)
- B(a);N_GUARD::S(B),XB(a)
- B(h);SBLOCK::QAB(A)
- B(h);N_GUARD::B(K),XB(h)
- B(h);N_GUARD::B(K)
- S(b);SBLOCK::R(C)
- P(e);N_GUARD::S(B)
- Refutation
- P(d);XP(F)
- Try
- P(G);
- Vars
- P(d);OGATEB,XP(F)::QAR2(A),XP(f)
- S(b);OGATE::QAB(A)
- B(h);OGATEB::QAB(A),XB(h)
- B(a);N_GUARD::S(B)
- B(a);N_GUARD::S(B),XB(a)
- B(h);SBLOCK::QAB(A)
- B(h);N_GUARD::B(K),XB(h)
- B(h);N_GUARD::B(K)
- S(b);SBLOCK::R(C)
- P(e);N_GUARD::S(B)
- Refutation
- P(g);XP(G)
- Try
- Actual
- B(J);
- Vars
- P(d);OGATEB,XP(F)::QAR2(A),XP(f)
- P(f);OGATE,XP(G)::B(K),XP(f)
- S(b);OGATE::QAB(A)
- B(a);N_GUARD::S(B)
- B(a);N_GUARD::S(B),XB(a)
- B(h);SBLOCK::QAB(A)
- B(h);N_GUARD::B(K),XB(h)
- B(h);N_GUARD::B(K)
- B(h);OGATEB::QAB(A),XB(h)
- S(b);SBLOCK::R(C)
- P(e);N_GUARD::S(B)
Developed and maintained by Brian Stephenson.
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